There are 18 words that start with 'dedu'.
| deduce | deduct |
| deduced | deduces |
| deducts | deducing |
| deducted | deducible |
| deducibly | deducting |
| deduction | deductive |
| deductible | deductions |
| deductibles | deductively |
| deductibility | deductibilities |
Note: These 18 words that start with 'dedu' are found from the USA & Canada version of the tournament Scrabble word list.